The Strongest Mountain and Sea Purchasing Agent

After accidentally inheriting a bunch of undelivered orders, he embarked on the road of no return as a purchasing agent from another world. The girl who came back from the dead, Kun who appeared in the sky over the city, the dragon language that was lost in ancient times, the disappeared golden lake, the most beautiful woman who inexplicably appeared in his room... Lu Ya: Stop! This is not a purchasing agent at all!